Abstract: Cognitive Radio has been explored to bridge the discrepancy between spectrum allocation and spectrum use through its cognitive capability and re configurability. In order to do that it has to first sense the spectrum whether it is available or not and then use the spectrum along with the available users in a dynamic manner without causing harmful interference to the already existing users. This makes security an important issue in CRN since presence of malicious users can easily disrupt the communication in the network. In this paper we present characteristics and the issues in CRN.
Keywords: Cognitive Radio Networks, DSA, terminologies, Challenges
Title: Cognitive Radio Networks: Some Preliminaries
Author: R. Sabitha, Dr. K.R.Shankar Kumar
International Journal of Computer Science and Information Technology Research
ISSN 2348-120X (online), ISSN 2348-1196 (print)
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